The django debug toolbar is a plug-in django application that displays a set of panels which conveys information about the current request at the top of the rendered page. it can show:

* total time taken to process request
* request variables, including get, post, cookie, and session information.
* all sql queries performed during response creation and processing,
including timing and 'explain' output for each query in conjunction with
the total time spent performing sql queries. if python-pygments is
installed, the sql syntax is highlighted.
* current django version
* http headers
* total requests, time, hits and misses of the cache.
* which templates were rendered the context provided to each template.
this is the common documentation package.